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Class Information
Number: 585/271
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Partial
Description: Subject matter wherein only part of the unsaturation in a hydrocarbon feed molecule is hydrogenated resulting in an unsaturated product, such as the conversion of butadiene to butene or acetylene to ethylene.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7371908 |
Process for catalytic hydrogenation |
May. 13, 2008 |
| 7355084 |
Method for hydrogenating organic compounds by means of Ru/SiO.sub.2 catalysts |
Apr. 8, 2008 |
| 7297824 |
Ni hydrogenation catalysts, manufacture and use |
Nov. 20, 2007 |
| 7273542 |
Process and apparatus for recovering olefins |
Sep. 25, 2007 |
| 7115790 |
Method for the production of 1-octene by reductive telomerisation |
Oct. 3, 2006 |
| 7090817 |
Process for the preparation of hydroxylammonium |
Aug. 15, 2006 |
| 7078130 |
Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production |
Jul. 18, 2006 |
| 7078577 |
DihydroDicyclopentadiene production |
Jul. 18, 2006 |
| 6740787 |
Process for treatment of C4 hydrocarbons that comprise butadiene and acetylene compounds that comprise stages for distillation and selective hydrogenation |
May. 25, 2004 |
| 6693225 |
Process for hydrogenating cuts containing hydrocarbons, in particular unsaturated molecules containing at least two double bonds or at least one triple bond |
Feb. 17, 2004 |
| 6455023 |
Metallic catalysts for non-neutral liquid media |
Sep. 24, 2002 |
| 6344593 |
Continuous preparation of cyclohexene by partial hydrogenation of benzene |
Feb. 5, 2002 |
| 6333441 |
Preparation of cis--olefins |
Dec. 25, 2001 |
| 6281397 |
Catalytic composition for the hydrogenation of olefinically unsaturated organic compounds |
Aug. 28, 2001 |
| 6239322 |
Selective hydrogenation catalysts containing palladium, also tin and/or lead, and the preparation and use thereof |
May. 29, 2001 |
| 5981818 |
Integrated cracking and olefins derivative process utilizing dilute olefins |
Nov. 9, 1999 |
| 5969202 |
Method for producing cycloolefin and cycloalkane under controlled pressure |
Oct. 19, 1999 |
| 5898091 |
Process and plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene |
Apr. 27, 1999 |
| 5866734 |
Hydrogenation process |
Feb. 2, 1999 |
| 5817901 |
Selective hydrogenation of hydrocarbon cuts containing monounsaturated and polyunsaturated hydrocarbons |
Oct. 6, 1998 |
| 5777186 |
Process for hydrogenating benzene in hydrocarbon oils |
Jul. 7, 1998 |
| 5698752 |
Selective hydrogenation process |
Dec. 16, 1997 |
| 5656761 |
Method for pretreating a catalyst slurry and a method for the continuous partial hydrogenation of a monocyclic aromatic hydrocarbon by using the pretreated catalyst slurry |
Aug. 12, 1997 |
| 5639927 |
Process of producing cycloolefin |
Jun. 17, 1997 |
| 5589600 |
Preparation of cyclohexene by partial hydrogenation of benzene |
Dec. 31, 1996 |
| 5583274 |
Alkyne hydrogenation process |
Dec. 10, 1996 |
| 5569803 |
Method for producing a cycloolefin |
Oct. 29, 1996 |
| 5569802 |
Catalyst, process for the preparation thereof and process for the selective hydrogenation of unsaturated compounds |
Oct. 29, 1996 |
| 5491233 |
Catalytic asymmetric reduction of trisubstituted olefins |
Feb. 13, 1996 |
| 5475172 |
Process for fullerene functionalization |
Dec. 12, 1995 |
| 5475173 |
Hydrogenation process and catalyst therefor |
Dec. 12, 1995 |
| 5475174 |
Process for the selective hydrogenation of compounds comprising endo and exocyclic unsaturations |
Dec. 12, 1995 |
| 5414171 |
Process and washed catalyst for partially hydrogenating aromatics to produce cycloolefins |
May. 9, 1995 |
| 5334790 |
Process and catalyst for partially hydrogenating aromatics to produce cycloolefins |
Aug. 2, 1994 |
| 5300716 |
Process for the preparation of polyunsaturated olefins |
Apr. 5, 1994 |
| 5264641 |
Aromatics saturation with catalysts comprising crystalline ultra-large pore oxide materials |
Nov. 23, 1993 |
| 5256163 |
Flow liquid-phase chemical reaction process |
Oct. 26, 1993 |
| 5254761 |
Process for selective reduction of unsaturated organic compounds |
Oct. 19, 1993 |
| 5233110 |
Process for the preparation of cyclooctene |
Aug. 3, 1993 |
| 5227553 |
Selective hydrogenation of crude high-butadiene C4 cuts |
Jul. 13, 1993 |
| 5171907 |
Preparation of hydrogenation catalyst and hydrogenation process therewith |
Dec. 15, 1992 |
| 5157179 |
Method for producing a cycloolefin |
Oct. 20, 1992 |
| 4908420 |
Method for preparing resin having light color |
Mar. 13, 1990 |
| 4891456 |
Method for preparing norbornene structure compound |
Jan. 2, 1990 |
| 4748290 |
Hydrogenation catalysts and process |
May. 31, 1988 |
| 4727202 |
Process for the production of catalytically-active metallic glasses |
Feb. 23, 1988 |
| 4705906 |
Selective hydrogenation of acetylene |
Nov. 10, 1987 |
| 4678861 |
Process for producing a cycloolefin |
Jul. 7, 1987 |
| 4673714 |
Olefin hydrogenation catalyst, process for hydrogenating polymers with the catalyst, and hydrogenated block copolymers produced by said processes |
Jun. 16, 1987 |
| 4613714 |
Catalyst and process for the selective hydrogenation of multi-unsaturated organic compounds |
Sep. 23, 1986 |
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